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lb: MACRO ; r, hi, lo
ld \1, (\2) << 8 + ((\3) & $ff)
ENDM
ldtx: MACRO
if _NARG == 2
ld \1, \2_
else
ld \1, \2_ \3
endc
ENDM
bank1call: MACRO
rst $18
dw \1
ENDM
farcall: MACRO
rst $28
if _NARG == 1
db BANK(\1)
dw \1
else
db \1
dw \2
endc
ENDM
; runs SetEventFlagValue with the next value as the flag, c as the new value
set_flag_value: MACRO
call SetStackFlagValue
db \1
ENDM
; runs ZeroOutEventFlag with the next value as the flag
zero_flag_value: MACRO
call ZeroStackFlagValue
db \1
ENDM
; a second version of the above with no real differences
zero_flag_value2: MACRO
call ZeroStackFlagValue2
db \1
ENDM
; runs MaxOutEventFlag with the next value as the flag
max_flag_value: MACRO
call MaxStackFlagValue
db \1
ENDM
; runs GetEventFlagValue with the next value as the flag. returns value in a
get_flag_value: MACRO
call GetStackFlagValue
db \1
ENDM
; the rst $38 handler is a single ret instruction
; probably used for testing purposes during development
debug_ret EQUS "rst $38"
; Returns to the pointer in bc instead of where the stack was.
retbc: MACRO
push bc
ret
ENDM
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